:root {
  --ink: #10213b;
  --blue: #1765c1;
  --blue-dark: #0d4385;
  --blue-light: #eaf3ff;
  --gold: #d9a441;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --muted: #596779;
  --line: #dfe7f1;
  --shadow: 0 24px 65px rgba(16, 33, 59, .16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 6vw;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(223,231,241,.9);
}
.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: -.02em;
}
.brand::first-letter { color: var(--blue); }
nav { display: flex; gap: 25px; }
nav a { color: var(--ink); text-decoration: none; font-weight: 750; font-size: .96rem; }
nav a:hover { color: var(--blue); }
.menu-button { display: none; border: 0; background: none; font-size: 1.5rem; }
.hero {
  position: relative;
  overflow: hidden;
  min-height: 86vh;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: center;
  gap: clamp(34px, 5vw, 78px);
  padding: 78px 7vw 88px;
  background:
    linear-gradient(120deg, rgba(234,243,255,.98), rgba(255,255,255,.95) 58%, rgba(249,244,233,.9));
}
.hero-copy, .hero-image-wrap { position: relative; z-index: 2; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(5px); opacity: .45; }
.hero-glow-one { width: 420px; height: 420px; right: -180px; top: -160px; background: #c9ddff; }
.hero-glow-two { width: 260px; height: 260px; left: -90px; bottom: -100px; background: #f6dfad; }
.hero h1 {
  max-width: 760px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.8rem, 5.7vw, 5.5rem);
  line-height: .99;
  margin: 12px 0 24px;
  letter-spacing: -0.045em;
}
.hero-text { max-width: 680px; color: var(--muted); font-size: 1.16rem; }
.eyebrow {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: .8rem;
  font-weight: 900;
  letter-spacing: .16em;
}
.hero-signature {
  display: inline-flex;
  margin-top: 12px;
  padding: 8px 13px;
  border-left: 4px solid var(--gold);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: .02em;
}
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  padding: 14px 23px;
  text-decoration: none;
  font-weight: 850;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px rgba(23,101,193,.22); }
.primary:hover { background: var(--blue-dark); }
.secondary { border: 2px solid var(--blue); color: var(--blue); background: rgba(255,255,255,.75); }
.hero-image-wrap { display: flex; justify-content: center; }
.portrait-frame {
  position: relative;
  width: min(100%, 560px);
  padding: 10px;
  border-radius: 32px;
  background: linear-gradient(145deg, #fff, #d9e6f7);
  box-shadow: var(--shadow);
}
.hero-image {
  display: block;
  width: 100%;
  height: min(68vh, 700px);
  object-fit: cover;
  object-position: center top;
  border-radius: 24px;
}
.portrait-label {
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 28px;
  display: grid;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 15px;
  color: #fff;
  background: rgba(10,26,47,.78);
  backdrop-filter: blur(8px);
}
.portrait-label strong { font-size: 1.12rem; }
.portrait-label span { font-size: .88rem; color: #dce8f8; }
.section { padding: 90px 7vw; }
.light { background: var(--soft); }
.section-heading { max-width: 780px; margin-bottom: 38px; }
.section h2 {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.08;
  margin: 8px 0 14px;
  letter-spacing: -.025em;
}
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; font-size: 1.08rem; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(20,33,61,.07);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 18px 38px rgba(20,33,61,.11); }
.card h3 { font-size: 1.35rem; margin-bottom: 8px; }
.card a { color: var(--blue); font-weight: 850; text-decoration: none; }
.book-placeholder {
  aspect-ratio: 4 / 5;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #173b78, #2a78da);
  color: #fff;
  font-weight: 900;
  letter-spacing: .12em;
}
.feature {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 56px;
  align-items: center;
  background: linear-gradient(145deg, #10213b, #132d51);
  color: white;
}
.feature .eyebrow { color: #91bdff; }
.feature blockquote {
  margin: 28px 0;
  padding-left: 22px;
  border-left: 4px solid var(--gold);
  font-size: 1.2rem;
}
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.values span {
  padding: 22px 14px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 16px;
  text-align: center;
  background: rgba(255,255,255,.08);
  font-weight: 850;
}
.youtube-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(20,33,61,.06);
}
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; }
form { display: grid; gap: 16px; }
label { display: grid; gap: 7px; font-weight: 800; }
input, textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 13px 14px;
  font: inherit;
}
input:focus, textarea:focus { outline: 3px solid rgba(23,101,193,.14); border-color: var(--blue); }
.form-message { margin: 0; color: var(--blue); font-weight: 700; }
footer {
  padding: 30px 7vw;
  text-align: center;
  background: #0b1728;
  color: #dbe5f5;
}
@media (max-width: 900px) {
  .menu-button { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 22px 7vw;
    background: white;
    border-bottom: 1px solid var(--line);
  }
  nav.open { display: flex; }
  .hero, .two-column, .cards, .feature, .contact { grid-template-columns: 1fr; }
  .hero { padding-top: 46px; }
  .hero-copy { text-align: center; }
  .hero-text { margin-left: auto; margin-right: auto; }
  .hero-signature { justify-content: center; }
  .actions { justify-content: center; }
  .hero-image { height: auto; max-height: 760px; }
  .youtube-box { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
  .site-header { padding-left: 5vw; padding-right: 5vw; }
  .hero, .section { padding-left: 5vw; padding-right: 5vw; }
  .hero h1 { font-size: clamp(2.45rem, 13vw, 4rem); }
  .portrait-label { left: 20px; right: 20px; bottom: 18px; }
}